<template>
<div class="wrapper">
   <swiper :options="swiperOption"  v-if="show">
    <!-- slides -->
    <swiper-slide v-for='item of list' :key='item.id'>
        <img class="img" :src="item.imgUrl" >
    </swiper-slide>
    <!-- Optional controls -->
    <div class="swiper-pagination"  slot="pagination"></div>
  </swiper>
</div>
</template>

<script>
export default {
  name: 'MySwiper',
  props: ['list'],
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    show () {
      return this.list.length
    }
  }
}
</script>

<style lang='stylus' scoped>
.wrapper >>> .swiper-pagination-bullet-active
 background: #fff
.wrapper
 width :100%
 height :0
 overflow :hidden
 padding-bottom :31.6%
 background :#eee
 .img
  width :100%
</style>
